<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>动态筛子</title>
    <link rel="stylesheet" href="../../common/reset.css">
    <link rel="stylesheet" href="./动态筛子.css">
</head>

<body style="background-color: yellow; color: #fff;">
    <div class="box">
        <div class="sieve">
            <!-- 1点 -->
            <div class="line-1">
                <div class="point"></div>
            </div>
            <!-- 6点 -->
            <div class="line-2">
                <div class="groupA">
                    <div class="point"></div>
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
                <div class="groupB">
                    <div class="point"></div>
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
            </div>
            <!-- 3点 -->
            <div class="line-3">
                <div class="point3-1"></div>
                <div class="point"></div>
                <div class="point3-3"></div>
            </div>
            <!-- 4点 -->
            <div class="line-4">
                <div class="groupE">
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
                <div class="groupF">
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
            </div>
            <!-- 5点 -->
            <div class="line-5">
                <div class="groupC">
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
                <div class="point5-1"></div>
                <div class="groupD">
                    <div class="point"></div>
                    <div class="point"></div>
                </div>
            </div>
            <!-- 2点 -->
            <div class="line-6">
                <div class="point"></div>
                <div class="point"></div>
            </div>
        </div>
    </div>
</body>

</html>